# 默认参数
def print_info(name, age=18):
    print("Name: ", name,end='      ')
    print("Age: ", age)

print_info(name='Ammy', age=29)
print_info('ann', 20)

print('-'*20)
def test (a, b, *args):
    print(a)
    print(b)
    print(args)
test(11, 22)


print('-'*20)
def test (a, b, *args, **kwargs):
    print(a)
    print(b)
    print(args)
    print(kwargs)

test(11, 22, 33, 44, 55, m = 66, n = 77)

print('-'*20)
def print_menu():
    print('-'*20)
    print('        xx点餐系统        ')
    print('    1.   A')
    print('    2.   B')
    print('-'*20)

print_menu()

